diff --git a/demo/mobilenet/app.js b/demo/mobilenet/app.js
index fd63564..0a50d3d 100644
--- a/demo/mobilenet/app.js
+++ b/demo/mobilenet/app.js
@@ -18,7 +18,7 @@
 const fetchWechat = require('fetch-wechat');
 import * as tf from '@tensorflow/tfjs-core';
 import '@tensorflow/tfjs-backend-wasm';
-import {setWasmPath} from '@tensorflow/tfjs-backend-wasm';
+import {setWasmPaths} from '@tensorflow/tfjs-backend-wasm';
 
 const plugin = requirePlugin('tfjsPlugin');
 const ENABLE_DEBUG = true;
@@ -39,11 +39,9 @@ App({
     const info = wx.getSystemInfoSync();
     console.log(info.platform);
     if (info.platform == 'android') {
-      setWasmPath(
-          'https://cdn.jsdelivr.net/npm/@tensorflow/tfjs-backend-wasm@2.0.0/wasm-out/tfjs-backend-wasm.wasm',
-          true);
+      setWasmPaths('https://cdn.jsdelivr.net/npm/@tensorflow/tfjs-backend-wasm@3.12.0/wasm-out/', true);
       await tf.setBackend('wasm');
       console.log('set wasm as backend');
-    }
+     }
   }
 })
diff --git a/demo/mobilenet/model/classifier.ts b/demo/mobilenet/model/classifier.ts
index 14c6294..2e9da5c 100644
--- a/demo/mobilenet/model/classifier.ts
+++ b/demo/mobilenet/model/classifier.ts
@@ -17,7 +17,7 @@
 
 import * as tf from '@tensorflow/tfjs-core';
 
-import {MobileNet} from './mobilenet';
+import { MobileNet } from './mobilenet';
 
 export interface CameraSize {
   width: number;
@@ -26,14 +26,14 @@ export interface CameraSize {
 
 export class Classifier {
   private mobileNet: MobileNet;
-  constructor(private page: WechatMiniprogram.Page.Instance<any, any>) {}
+  constructor(private page: WechatMiniprogram.Page.Instance<any, any>) { }
   async load() {
     this.mobileNet = new MobileNet();
-    this.page.setData({result: 'loading model...'});
+    this.page.setData({ result: 'loading model...' });
     const start = Date.now();
     await this.mobileNet.load();
     const result = `model loaded: ${Date.now() - start}ms\n`;
-    this.page.setData({result});
+    this.page.setData({ result });
   }
 
   classify(ab: ArrayBuffer, size: CameraSize) {
@@ -41,17 +41,17 @@ export class Classifier {
     let result = '';
     const start = Date.now();
     tf.tidy(() => {
-      const temp = tf.browser.fromPixels({data, ...size}, 4);
+      const temp = tf.browser.fromPixels({ data, ...size }, 4);
       const pixels =
-          temp.slice([0, 0, 0], [-1, -1, 3]).resizeBilinear([224, 224]);
+        tf.image.resizeBilinear(tf.slice(temp, [0, 0, 0], [-1, -1, 3]), [224, 224]);
       const tensor = this.mobileNet.predict(pixels) as tf.Tensor;
 
-      const topIndex = tensor.argMax().dataSync()[0];
+      const topIndex = tf.argMax(tensor).dataSync()[0];
       result += `prediction: ${Date.now() - start}ms\n`;
       result += `${tensor.dataSync()[topIndex]}`;
       return result;
     });
-    this.page.setData({result});
+    this.page.setData({ result });
   }
   dispose() {
     this.mobileNet.dispose();
diff --git a/demo/mobilenet/model/mobilenet.ts b/demo/mobilenet/model/mobilenet.ts
index 625e2cc..657004b 100644
--- a/demo/mobilenet/model/mobilenet.ts
+++ b/demo/mobilenet/model/mobilenet.ts
@@ -18,7 +18,7 @@ import * as tfc from '@tensorflow/tfjs-converter';
 import * as tf from '@tensorflow/tfjs-core';
 
 const GOOGLE_CLOUD_STORAGE_DIR =
-    'https://tfhub.dev/google/tfjs-model/imagenet/';
+  'https://tfhub.dev/google/tfjs-model/imagenet/';
 const MODEL_FILE_URL = 'mobilenet_v2_050_224/feature_vector/3/default/1';
 const PREPROCESS_DIVISOR = 255 / 2;
 const STORAGE_KEY = 'mobilenet_model';
@@ -29,20 +29,20 @@ export interface TopKValue {
 }
 export class MobileNet {
   private model: tfc.GraphModel;
-  constructor() {}
+  constructor() { }
 
   async load() {
     // save model into local storage as base64 string
     // const storageHandler = getApp().globalData.localStorageIO(STORAGE_KEY);
     // save model into files (weight binary)
     const storageHandler = getApp().globalData.fileStorageIO(
-        STORAGE_KEY, wx.getFileSystemManager());
+      STORAGE_KEY, wx.getFileSystemManager());
 
     try {
       this.model = await tfc.loadGraphModel(storageHandler);
     } catch (e) {
       this.model = await tfc.loadGraphModel(
-          GOOGLE_CLOUD_STORAGE_DIR + MODEL_FILE_URL, {fromTFHub: true});
+        GOOGLE_CLOUD_STORAGE_DIR + MODEL_FILE_URL, { fromTFHub: true });
       this.model.save(storageHandler);
     }
   }
@@ -62,10 +62,10 @@ export class MobileNet {
    */
   predict(input: tf.Tensor) {
     const preprocessedInput = tf.div(
-        tf.sub(input.asType('float32'), PREPROCESS_DIVISOR),
-        PREPROCESS_DIVISOR);
+      tf.sub(tf.cast(input, 'float32'), PREPROCESS_DIVISOR),
+      PREPROCESS_DIVISOR);
     const reshapedInput =
-        preprocessedInput.reshape([1, ...preprocessedInput.shape]);
+      tf.reshape(preprocessedInput, [1, ...preprocessedInput.shape]);
     return this.model.predict(reshapedInput);
   }
 }
diff --git a/demo/mobilenet/package.json b/demo/mobilenet/package.json
index 747f128..529f4c5 100644
--- a/demo/mobilenet/package.json
+++ b/demo/mobilenet/package.json
@@ -11,9 +11,9 @@
     "miniprogram-api-typings": "^2.8.1"
   },
   "dependencies": {
-    "@tensorflow/tfjs-core": "2.8.6",
-    "@tensorflow/tfjs-converter": "2.8.6",
-    "@tensorflow/tfjs-backend-wasm": "2.8.6",
+    "@tensorflow/tfjs-core": "3.12.0",
+    "@tensorflow/tfjs-converter": "3.12.0",
+    "@tensorflow/tfjs-backend-wasm": "3.12.0",
     "fetch-wechat": "0.0.3"
   }
 }
diff --git a/demo/mobilenet/yarn.lock b/demo/mobilenet/yarn.lock
index f6d4360..28f708b 100644
--- a/demo/mobilenet/yarn.lock
+++ b/demo/mobilenet/yarn.lock
@@ -2,35 +2,37 @@
 # yarn lockfile v1
 
 
-"@tensorflow/tfjs-backend-cpu@2.8.6":
-  version "2.8.6"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-2.8.6.tgz#ef60c3294a04c8c600abb4b438263c06d9b7b7bd"
-  integrity sha512-x9WTTE9p3Pon2D0d6HH1UCIJsU1w3v9sF3vxJcp+YStrjDefWoW5pwxHCckEKTRra7GWg3CwMKK3Si2dat4H1A==
+"@tensorflow/tfjs-backend-cpu@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-3.12.0.tgz#a96279c3116486dfb5deccf8bac78f72d3f77f65"
+  integrity sha512-UMf/OHHCzm/+oKXtTDnanlyYFNNKKU5u2hJooKak1JqSOEKChBOPYKmxf9VWmY7Pos4GbbKH/V1pLzfLnLq+Bg==
   dependencies:
     "@types/seedrandom" "2.4.27"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-backend-wasm@2.8.6":
-  version "2.8.6"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-wasm/-/tfjs-backend-wasm-2.8.6.tgz#472cc0308e8bb2609fc5d869b553aedba25c2995"
-  integrity sha512-uJQ8e5akjuesOiQGzfOmnlFt4+hppnBGL6Oa+fCeDQFCtfIG4uNoN1ItSA7u/h5TYsjlE5VDZwJQMkO/JAHnTQ==
+"@tensorflow/tfjs-backend-wasm@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-wasm/-/tfjs-backend-wasm-3.12.0.tgz#280f42a867d90672dacdc2b92df4152c59b6dce8"
+  integrity sha512-H4OmQkebiCpDdWiH5Ob2G+1+jzGNffG2FlkWV5y66RM/wZijYyCKIg4Nm7KCSUrvZPhkhP622QhM2BPvI9U8hA==
   dependencies:
-    "@tensorflow/tfjs-backend-cpu" "2.8.6"
+    "@tensorflow/tfjs-backend-cpu" "3.12.0"
     "@types/emscripten" "~0.0.34"
 
-"@tensorflow/tfjs-converter@2.8.6":
-  version "2.8.6"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-converter/-/tfjs-converter-2.8.6.tgz#6182d302ae883e0c45f47674a78bdd33e23db3a6"
-  integrity sha512-Uv4YC66qjVC9UwBxz0IeLZ8KS2CReh63WlGRtHcSwDEYiwsa7cvp9H6lFSSPT7kiJmrK6JtHeJGIVcTuNnSt9w==
+"@tensorflow/tfjs-converter@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-converter/-/tfjs-converter-3.12.0.tgz#2e28c7bf6e92d4614cb6df362a81a55f79432fef"
+  integrity sha512-WO6FreEB83CgFwvcyrzyaWG5WshanfyhTI6rOqSbjY86+MlJprTn4fuY9qbnYk/gDLhxEaUpYgubamY4g4L76g==
 
-"@tensorflow/tfjs-core@2.8.6":
-  version "2.8.6"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-2.8.6.tgz#d5e9d5fc1d1a83e3fbf80942f3154300a9f82494"
-  integrity sha512-jS28M1POUOjnWgx3jp1v5D45DUQE8USsAHHkL/01z75KnYCAAmgqJSH4YKLiYACg3eBLWXH/KTcSc6dHAX7Kfg==
+"@tensorflow/tfjs-core@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-3.12.0.tgz#af1f93ea924be74e4ecf094608ea22709bf56f17"
+  integrity sha512-0rXf+aMjfkFLan7qna+L7DjfSZaaRibKgq9XuorjSy9rZcdZLE2IHFTzYR7B8mdlnq2szArKzm+JXqa9grTl7w==
   dependencies:
+    "@types/long" "^4.0.1"
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
     "@types/webgl-ext" "0.0.30"
+    long "4.0.0"
     node-fetch "~2.6.1"
     seedrandom "2.4.3"
 
@@ -39,6 +41,11 @@
   resolved "https://registry.yarnpkg.com/@types/emscripten/-/emscripten-0.0.34.tgz#12b4a344274fb102ff2f6c877b37587bc3e46008"
   integrity sha512-QSb9ojDincskc+uKMI0KXp8e1NALFINCrMlp8VGKGcTSxeEyRTTKyjWw75NYrCZHUsVEEEpr1tYHpbtaC++/sQ==
 
+"@types/long@^4.0.1":
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/@types/long/-/long-4.0.1.tgz#459c65fa1867dafe6a8f322c4c51695663cc55e9"
+  integrity sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w==
+
 "@types/offscreencanvas@~2019.3.0":
   version "2019.3.0"
   resolved "https://registry.yarnpkg.com/@types/offscreencanvas/-/offscreencanvas-2019.3.0.tgz#3336428ec7e9180cf4566dfea5da04eb586a6553"
@@ -59,6 +66,11 @@ fetch-wechat@0.0.3:
   resolved "https://registry.yarnpkg.com/fetch-wechat/-/fetch-wechat-0.0.3.tgz#2789c332a24bf9f4114b580c02d2934646e74f12"
   integrity sha512-uEvCnHSaM53AjYmtiU8n7dB3RO4JX4RBxF3lXNf+cBHr5NRclmTAr5XiRtLL2lSdBcRwvLixhnjwCRJhyEKZgQ==
 
+long@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/long/-/long-4.0.0.tgz#9a7b71cfb7d361a194ea555241c92f7468d5bf28"
+  integrity sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==
+
 miniprogram-api-typings@^2.8.1:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/miniprogram-api-typings/-/miniprogram-api-typings-2.8.1.tgz#a56eec32eb03fc1517d27d04f7371745598798cc"
diff --git a/demo/posenet/package.json b/demo/posenet/package.json
index c686908..84b831f 100644
--- a/demo/posenet/package.json
+++ b/demo/posenet/package.json
@@ -11,9 +11,9 @@
   },
   "dependencies": {
     "@tensorflow-models/posenet": "2.2.2",
-    "@tensorflow/tfjs-backend-webgl": "3.5.0",
-    "@tensorflow/tfjs-converter": "3.5.0",
-    "@tensorflow/tfjs-core": "3.5.0",
+    "@tensorflow/tfjs-backend-webgl": "3.12.0",
+    "@tensorflow/tfjs-converter": "3.12.0",
+    "@tensorflow/tfjs-core": "3.12.0",
     "fetch-wechat": "0.0.3"
   }
 }
diff --git a/demo/posenet/pages/index/index.ts b/demo/posenet/pages/index/index.ts
index 5157774..a979629 100644
--- a/demo/posenet/pages/index/index.ts
+++ b/demo/posenet/pages/index/index.ts
@@ -16,46 +16,46 @@
  */
 
 import * as posenet from '@tensorflow-models/posenet';
-import {detectPoseInRealTime, drawPoses} from '../../posenet/posenet';
+import { detectPoseInRealTime, drawPoses } from '../../posenet/posenet';
 const CANVAS_ID = 'image';
-const POSENET_URL =
-    'https://www.gstaticcnapps.cn/tfjs-models/savedmodel/posenet/mobilenet/float/050/model-stride16.json';
+const POSENET_URL = 'https://storage.googleapis.com/tfjs-models/savedmodel/posenet/mobilenet/float/050/model-stride16.json';
+// 'https://www.gstaticcnapps.cn/tfjs-models/savedmodel/posenet/mobilenet/float/050/model-stride16.json';
 Page({
-  data: {result: ''},
+  data: { result: '' },
   posenetModel: undefined,
   canvas: undefined,
   poses: undefined,
   ctx: undefined,
   posenet() {
     if (this.posenetModel == null) {
-      this.setData({result: 'loading posenet model...'});
+      this.setData({ result: 'loading posenet model...' });
       posenet
-          .load({
-            architecture: 'MobileNetV1',
-            outputStride: 16,
-            inputResolution: 193,
-            multiplier: 0.5,
-            modelUrl: POSENET_URL
-          })
-          .then((model) => {
-            this.posenetModel = model;
-            this.setData({result: 'model loaded.'});
-          });
+        .load({
+          architecture: 'MobileNetV1',
+          outputStride: 16,
+          inputResolution: 193,
+          multiplier: 0.5,
+          modelUrl: POSENET_URL
+        })
+        .then((model) => {
+          this.posenetModel = model;
+          this.setData({ result: 'model loaded.' });
+        });
     }
   },
   executePosenet(frame) {
     if (this.posenetModel) {
       const start = Date.now();
       detectPoseInRealTime(frame, this.posenetModel, false)
-          .then((poses) => {
-            this.poses = poses;
-            drawPoses(this);
-            const result = `${Date.now() - start}ms`;
-            this.setData({result});
-          })
-          .catch((err) => {
-            console.log(err, err.stack);
-          });
+        .then((poses) => {
+          this.poses = poses;
+          drawPoses(this);
+          const result = `${Date.now() - start}ms`;
+          this.setData({ result });
+        })
+        .catch((err) => {
+          console.log(err, err.stack);
+        });
     }
   },
   async onReady() {
diff --git a/demo/posenet/yarn.lock b/demo/posenet/yarn.lock
index 968a323..62b6a32 100644
--- a/demo/posenet/yarn.lock
+++ b/demo/posenet/yarn.lock
@@ -7,42 +7,49 @@
   resolved "https://registry.yarnpkg.com/@tensorflow-models/posenet/-/posenet-2.2.2.tgz#2abcfa33b43892135d232c9c4408a38cc8f74ba6"
   integrity sha512-0SXIksRet/IdX7WVH+JSD6W3upkGHix1hwtd3xykIoIMGR7zQ4SC5+wZcNt9ofASyxNYQoI+tUULUo4LNw0c3w==
 
-"@tensorflow/tfjs-backend-cpu@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-3.5.0.tgz#6058fcefa28931f18d774278f53f0f3176e0f229"
-  integrity sha512-aFSbjVLBKV0OpvE4QGSpIvtxhxpqyz09WhnuMZMhxjxCrjrPYbX7gEjXIHvgF8dEs6SX19XUaChgIftyKd2YIQ==
+"@tensorflow/tfjs-backend-cpu@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-3.12.0.tgz#a96279c3116486dfb5deccf8bac78f72d3f77f65"
+  integrity sha512-UMf/OHHCzm/+oKXtTDnanlyYFNNKKU5u2hJooKak1JqSOEKChBOPYKmxf9VWmY7Pos4GbbKH/V1pLzfLnLq+Bg==
   dependencies:
     "@types/seedrandom" "2.4.27"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-backend-webgl@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-3.5.0.tgz#55160168fd7e21c26f8f84cb06e699ae5c2a41b5"
-  integrity sha512-zeuOmfi0wbrZwjUp6M4hsctQvUuQVmO18A8V68xp+u6QC4jp3P5hNdjF7iOiMW/3iNVylYht8MbHYjQLyJAQdw==
+"@tensorflow/tfjs-backend-webgl@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-3.12.0.tgz#51af13d9790fd07748e95efe02ab72092c52ead1"
+  integrity sha512-nFiPS7AiDZ+H4RXpx8dSYPWzy3B1zC/aRKwH9uz9MUp1WiHHbYr90+E0ut9HFrIz0cMb0sR7vGU+zkjSZ1rLsA==
   dependencies:
-    "@tensorflow/tfjs-backend-cpu" "3.5.0"
+    "@tensorflow/tfjs-backend-cpu" "3.12.0"
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
     "@types/webgl-ext" "0.0.30"
-    "@types/webgl2" "0.0.5"
+    "@types/webgl2" "0.0.6"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-converter@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-converter/-/tfjs-converter-3.5.0.tgz#6625723e347a452c227469a92541930d5b4aa12f"
-  integrity sha512-eAx1nEaREzPfcIOnyp1PUvQdjob9MtCJM/syh4v05FBV7UrUNpxNMliA4JgjiFvdnhrM4e06/CeqMA8/AVw2wg==
+"@tensorflow/tfjs-converter@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-converter/-/tfjs-converter-3.12.0.tgz#2e28c7bf6e92d4614cb6df362a81a55f79432fef"
+  integrity sha512-WO6FreEB83CgFwvcyrzyaWG5WshanfyhTI6rOqSbjY86+MlJprTn4fuY9qbnYk/gDLhxEaUpYgubamY4g4L76g==
 
-"@tensorflow/tfjs-core@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-3.5.0.tgz#e1ff14f2121208242a192e935f52e86b19be279e"
-  integrity sha512-NOs9hY9nj/iPaz2cSrWpq8G07i96/ot+1l1RoBoA1s1cZakb43pLhntm1Mj4vhSxp7dbc/BSs+t6/S+45OZTUA==
+"@tensorflow/tfjs-core@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-3.12.0.tgz#af1f93ea924be74e4ecf094608ea22709bf56f17"
+  integrity sha512-0rXf+aMjfkFLan7qna+L7DjfSZaaRibKgq9XuorjSy9rZcdZLE2IHFTzYR7B8mdlnq2szArKzm+JXqa9grTl7w==
   dependencies:
+    "@types/long" "^4.0.1"
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
     "@types/webgl-ext" "0.0.30"
+    long "4.0.0"
     node-fetch "~2.6.1"
     seedrandom "2.4.3"
 
+"@types/long@^4.0.1":
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/@types/long/-/long-4.0.1.tgz#459c65fa1867dafe6a8f322c4c51695663cc55e9"
+  integrity sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w==
+
 "@types/offscreencanvas@~2019.3.0":
   version "2019.3.0"
   resolved "https://registry.yarnpkg.com/@types/offscreencanvas/-/offscreencanvas-2019.3.0.tgz#3336428ec7e9180cf4566dfea5da04eb586a6553"
@@ -58,16 +65,21 @@
   resolved "https://registry.yarnpkg.com/@types/webgl-ext/-/webgl-ext-0.0.30.tgz#0ce498c16a41a23d15289e0b844d945b25f0fb9d"
   integrity sha512-LKVgNmBxN0BbljJrVUwkxwRYqzsAEPcZOe6S2T6ZaBDIrFp0qu4FNlpc5sM1tGbXUYFgdVQIoeLk1Y1UoblyEg==
 
-"@types/webgl2@0.0.5":
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/@types/webgl2/-/webgl2-0.0.5.tgz#dd925e20ab8ace80eb4b1e46fda5b109c508fb0d"
-  integrity sha512-oGaKsBbxQOY5+aJFV3KECDhGaXt+yZJt2y/OZsnQGLRkH6Fvr7rv4pCt3SRH1somIHfej/c4u7NSpCyd9x+1Ow==
+"@types/webgl2@0.0.6":
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/@types/webgl2/-/webgl2-0.0.6.tgz#1ea2db791362bd8521548d664dbd3c5311cdf4b6"
+  integrity sha512-50GQhDVTq/herLMiqSQkdtRu+d5q/cWHn4VvKJtrj4DJAjo1MNkWYa2MA41BaBO1q1HgsUjuQvEOk0QHvlnAaQ==
 
 fetch-wechat@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/fetch-wechat/-/fetch-wechat-0.0.3.tgz#2789c332a24bf9f4114b580c02d2934646e74f12"
   integrity sha512-uEvCnHSaM53AjYmtiU8n7dB3RO4JX4RBxF3lXNf+cBHr5NRclmTAr5XiRtLL2lSdBcRwvLixhnjwCRJhyEKZgQ==
 
+long@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/long/-/long-4.0.0.tgz#9a7b71cfb7d361a194ea555241c92f7468d5bf28"
+  integrity sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==
+
 node-fetch@~2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
diff --git a/package.json b/package.json
index 0ba4f47..348f748 100644
--- a/package.json
+++ b/package.json
@@ -17,8 +17,8 @@
     "text-encoder": "0.0.4"
   },
   "devDependencies": {
-    "@tensorflow/tfjs-core": "3.5.0",
-    "@tensorflow/tfjs-backend-webgl": "3.5.0",
+    "@tensorflow/tfjs-core": "3.12.0",
+    "@tensorflow/tfjs-backend-webgl": "3.12.0",
     "@types/jasmine": "~2.8.6",
     "clang-format": "1.2.4",
     "jasmine-core": "~3.1.0",
diff --git a/project.config.json b/project.config.json
index 67ea59b..a2026ed 100644
--- a/project.config.json
+++ b/project.config.json
@@ -25,13 +25,14 @@
   "setting": {
     "urlCheck": false,
     "es6": true,
-    "enhance": false,
+    "enhance": true,
     "postcss": true,
     "minified": true,
     "newFeature": true,
     "nodeModules": true,
     "autoAudits": false,
     "scopeDataCheck": false,
+    "uglifyFileName": true,
     "checkInvalidKey": true,
     "checkSiteMap": true,
     "uploadWithSourceMap": true,
@@ -43,14 +44,14 @@
       "disablePlugins": [],
       "outputPath": ""
     },
-    "bundle": false,
     "useIsolateContext": true,
     "useCompilerModule": false,
     "userConfirmedUseCompilerModuleSwitch": false,
-    "userConfirmedBundleSwitch": false,
+    "userConfirmedBundleSwitch": true,
     "packNpmManually": false,
     "packNpmRelationList": [],
-    "minifyWXSS": true
+    "minifyWXSS": true,
+    "minifyWXML": true
   },
   "appid": "wx6afed118d9e81df9",
   "projectname": "TensorFlowJS",
@@ -59,8 +60,8 @@
     "beforePreview": "",
     "beforeUpload": ""
   },
-  "libVersion": "2.16.1",
+  "libVersion": "2.21.2",
   "simulatorType": "wechat",
   "simulatorPluginLibVersion": {},
   "condition": {}
-}
\ No newline at end of file
+}
diff --git a/src/plugin/package.json b/src/plugin/package.json
index 5866292..2ef3d88 100644
--- a/src/plugin/package.json
+++ b/src/plugin/package.json
@@ -12,8 +12,8 @@
     "base64-js": "1.3.1"
   },
   "devDependencies": {
-    "@tensorflow/tfjs-core": "3.5.0",
-    "@tensorflow/tfjs-backend-webgl": "3.5.0",
+    "@tensorflow/tfjs-core": "3.12.0",
+    "@tensorflow/tfjs-backend-webgl": "3.12.0",
     "miniprogram-api-typings": "^3.3.2",
     "typescript": "^3.3.3333"
   }
diff --git a/src/plugin/yarn.lock b/src/plugin/yarn.lock
index 9d6d06d..aa98df9 100644
--- a/src/plugin/yarn.lock
+++ b/src/plugin/yarn.lock
@@ -2,37 +2,44 @@
 # yarn lockfile v1
 
 
-"@tensorflow/tfjs-backend-cpu@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-3.5.0.tgz#6058fcefa28931f18d774278f53f0f3176e0f229"
-  integrity sha512-aFSbjVLBKV0OpvE4QGSpIvtxhxpqyz09WhnuMZMhxjxCrjrPYbX7gEjXIHvgF8dEs6SX19XUaChgIftyKd2YIQ==
+"@tensorflow/tfjs-backend-cpu@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-3.12.0.tgz#a96279c3116486dfb5deccf8bac78f72d3f77f65"
+  integrity sha512-UMf/OHHCzm/+oKXtTDnanlyYFNNKKU5u2hJooKak1JqSOEKChBOPYKmxf9VWmY7Pos4GbbKH/V1pLzfLnLq+Bg==
   dependencies:
     "@types/seedrandom" "2.4.27"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-backend-webgl@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-3.5.0.tgz#55160168fd7e21c26f8f84cb06e699ae5c2a41b5"
-  integrity sha512-zeuOmfi0wbrZwjUp6M4hsctQvUuQVmO18A8V68xp+u6QC4jp3P5hNdjF7iOiMW/3iNVylYht8MbHYjQLyJAQdw==
+"@tensorflow/tfjs-backend-webgl@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-3.12.0.tgz#51af13d9790fd07748e95efe02ab72092c52ead1"
+  integrity sha512-nFiPS7AiDZ+H4RXpx8dSYPWzy3B1zC/aRKwH9uz9MUp1WiHHbYr90+E0ut9HFrIz0cMb0sR7vGU+zkjSZ1rLsA==
   dependencies:
-    "@tensorflow/tfjs-backend-cpu" "3.5.0"
+    "@tensorflow/tfjs-backend-cpu" "3.12.0"
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
     "@types/webgl-ext" "0.0.30"
-    "@types/webgl2" "0.0.5"
+    "@types/webgl2" "0.0.6"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-core@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-3.5.0.tgz#e1ff14f2121208242a192e935f52e86b19be279e"
-  integrity sha512-NOs9hY9nj/iPaz2cSrWpq8G07i96/ot+1l1RoBoA1s1cZakb43pLhntm1Mj4vhSxp7dbc/BSs+t6/S+45OZTUA==
+"@tensorflow/tfjs-core@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-3.12.0.tgz#af1f93ea924be74e4ecf094608ea22709bf56f17"
+  integrity sha512-0rXf+aMjfkFLan7qna+L7DjfSZaaRibKgq9XuorjSy9rZcdZLE2IHFTzYR7B8mdlnq2szArKzm+JXqa9grTl7w==
   dependencies:
+    "@types/long" "^4.0.1"
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
     "@types/webgl-ext" "0.0.30"
+    long "4.0.0"
     node-fetch "~2.6.1"
     seedrandom "2.4.3"
 
+"@types/long@^4.0.1":
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/@types/long/-/long-4.0.1.tgz#459c65fa1867dafe6a8f322c4c51695663cc55e9"
+  integrity sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w==
+
 "@types/offscreencanvas@~2019.3.0":
   version "2019.3.0"
   resolved "https://registry.yarnpkg.com/@types/offscreencanvas/-/offscreencanvas-2019.3.0.tgz#3336428ec7e9180cf4566dfea5da04eb586a6553"
@@ -45,10 +52,10 @@
   version "0.0.30"
   resolved "https://registry.yarnpkg.com/@types/webgl-ext/-/webgl-ext-0.0.30.tgz#0ce498c16a41a23d15289e0b844d945b25f0fb9d"
 
-"@types/webgl2@0.0.5":
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/@types/webgl2/-/webgl2-0.0.5.tgz#dd925e20ab8ace80eb4b1e46fda5b109c508fb0d"
-  integrity sha512-oGaKsBbxQOY5+aJFV3KECDhGaXt+yZJt2y/OZsnQGLRkH6Fvr7rv4pCt3SRH1somIHfej/c4u7NSpCyd9x+1Ow==
+"@types/webgl2@0.0.6":
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/@types/webgl2/-/webgl2-0.0.6.tgz#1ea2db791362bd8521548d664dbd3c5311cdf4b6"
+  integrity sha512-50GQhDVTq/herLMiqSQkdtRu+d5q/cWHn4VvKJtrj4DJAjo1MNkWYa2MA41BaBO1q1HgsUjuQvEOk0QHvlnAaQ==
 
 abab@2.0.0:
   version "2.0.0"
@@ -59,6 +66,11 @@ base64-js@1.3.1:
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
   integrity sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==
 
+long@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/long/-/long-4.0.0.tgz#9a7b71cfb7d361a194ea555241c92f7468d5bf28"
+  integrity sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==
+
 miniprogram-api-typings@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/miniprogram-api-typings/-/miniprogram-api-typings-3.3.2.tgz#1e6aa65817e6534850141cd2af23eeff6ba61b4e"
diff --git a/yarn.lock b/yarn.lock
index f43284e..510a9b3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -748,34 +748,36 @@
   resolved "https://registry.yarnpkg.com/@istanbuljs/schema/-/schema-0.1.2.tgz#26520bf09abe4a5644cd5414e37125a8954241dd"
   integrity sha512-tsAQNx32a8CoFhjhijUIhI4kccIAgmGhy8LZMZgGfmXcpMbPRUqn5LWmgRttILi6yeGmBJd2xsPkFMs0PzgPCw==
 
-"@tensorflow/tfjs-backend-cpu@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-3.5.0.tgz#6058fcefa28931f18d774278f53f0f3176e0f229"
-  integrity sha512-aFSbjVLBKV0OpvE4QGSpIvtxhxpqyz09WhnuMZMhxjxCrjrPYbX7gEjXIHvgF8dEs6SX19XUaChgIftyKd2YIQ==
+"@tensorflow/tfjs-backend-cpu@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-3.12.0.tgz#a96279c3116486dfb5deccf8bac78f72d3f77f65"
+  integrity sha512-UMf/OHHCzm/+oKXtTDnanlyYFNNKKU5u2hJooKak1JqSOEKChBOPYKmxf9VWmY7Pos4GbbKH/V1pLzfLnLq+Bg==
   dependencies:
     "@types/seedrandom" "2.4.27"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-backend-webgl@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-3.5.0.tgz#55160168fd7e21c26f8f84cb06e699ae5c2a41b5"
-  integrity sha512-zeuOmfi0wbrZwjUp6M4hsctQvUuQVmO18A8V68xp+u6QC4jp3P5hNdjF7iOiMW/3iNVylYht8MbHYjQLyJAQdw==
+"@tensorflow/tfjs-backend-webgl@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-3.12.0.tgz#51af13d9790fd07748e95efe02ab72092c52ead1"
+  integrity sha512-nFiPS7AiDZ+H4RXpx8dSYPWzy3B1zC/aRKwH9uz9MUp1WiHHbYr90+E0ut9HFrIz0cMb0sR7vGU+zkjSZ1rLsA==
   dependencies:
-    "@tensorflow/tfjs-backend-cpu" "3.5.0"
+    "@tensorflow/tfjs-backend-cpu" "3.12.0"
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
     "@types/webgl-ext" "0.0.30"
-    "@types/webgl2" "0.0.5"
+    "@types/webgl2" "0.0.6"
     seedrandom "2.4.3"
 
-"@tensorflow/tfjs-core@3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-3.5.0.tgz#e1ff14f2121208242a192e935f52e86b19be279e"
-  integrity sha512-NOs9hY9nj/iPaz2cSrWpq8G07i96/ot+1l1RoBoA1s1cZakb43pLhntm1Mj4vhSxp7dbc/BSs+t6/S+45OZTUA==
+"@tensorflow/tfjs-core@3.12.0":
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/@tensorflow/tfjs-core/-/tfjs-core-3.12.0.tgz#af1f93ea924be74e4ecf094608ea22709bf56f17"
+  integrity sha512-0rXf+aMjfkFLan7qna+L7DjfSZaaRibKgq9XuorjSy9rZcdZLE2IHFTzYR7B8mdlnq2szArKzm+JXqa9grTl7w==
   dependencies:
+    "@types/long" "^4.0.1"
     "@types/offscreencanvas" "~2019.3.0"
     "@types/seedrandom" "2.4.27"
     "@types/webgl-ext" "0.0.30"
+    long "4.0.0"
     node-fetch "~2.6.1"
     seedrandom "2.4.3"
 
@@ -804,6 +806,11 @@
   resolved "https://registry.yarnpkg.com/@types/jasmine/-/jasmine-2.8.16.tgz#a6cb24b1149d65293bd616923500014838e14e7d"
   integrity sha512-056oRlBBp7MDzr+HoU5su099s/s7wjZ3KcHxLfv+Byqb9MwdLUvsfLgw1VS97hsh3ddxSPyQu+olHMnoVTUY6g==
 
+"@types/long@^4.0.1":
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/@types/long/-/long-4.0.1.tgz#459c65fa1867dafe6a8f322c4c51695663cc55e9"
+  integrity sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w==
+
 "@types/node@^14.14.10":
   version "14.14.28"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.28.tgz#cade4b64f8438f588951a6b35843ce536853f25b"
@@ -824,10 +831,10 @@
   resolved "https://registry.yarnpkg.com/@types/webgl-ext/-/webgl-ext-0.0.30.tgz#0ce498c16a41a23d15289e0b844d945b25f0fb9d"
   integrity sha512-LKVgNmBxN0BbljJrVUwkxwRYqzsAEPcZOe6S2T6ZaBDIrFp0qu4FNlpc5sM1tGbXUYFgdVQIoeLk1Y1UoblyEg==
 
-"@types/webgl2@0.0.5":
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/@types/webgl2/-/webgl2-0.0.5.tgz#dd925e20ab8ace80eb4b1e46fda5b109c508fb0d"
-  integrity sha512-oGaKsBbxQOY5+aJFV3KECDhGaXt+yZJt2y/OZsnQGLRkH6Fvr7rv4pCt3SRH1somIHfej/c4u7NSpCyd9x+1Ow==
+"@types/webgl2@0.0.6":
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/@types/webgl2/-/webgl2-0.0.6.tgz#1ea2db791362bd8521548d664dbd3c5311cdf4b6"
+  integrity sha512-50GQhDVTq/herLMiqSQkdtRu+d5q/cWHn4VvKJtrj4DJAjo1MNkWYa2MA41BaBO1q1HgsUjuQvEOk0QHvlnAaQ==
 
 abab@2.0.0:
   version "2.0.0"
@@ -2541,6 +2548,11 @@ log4js@^6.2.1, log4js@^6.3.0:
     rfdc "^1.1.4"
     streamroller "^2.2.4"
 
+long@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/long/-/long-4.0.0.tgz#9a7b71cfb7d361a194ea555241c92f7468d5bf28"
+  integrity sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==
+
 loose-envify@^1.0.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"